ÃÛ¶¹ÊÓƵ

Offline Controllers | CS51221

Enhanced Voltage Mode PWM Controller for Forward or Flyback

ÃÛ¶¹ÊÓƵ

Favorite

Datasheet
CAD Model

CAD Model

Overview

The CS51221 Enhanced Voltage Mode PWM Controller contains all of the features necessary for basic voltage mode operation. This PWM controller has been optimized for high frequency primary side control operation. In addition, this device includes such features as: Soft Start, accurate duty cycle limit control, less than 50uA startup current, over and under voltage protection and bidirectional synchronization. The CS51221 is available in a SOIC-16 and TSSOP-16 surface mount packages.

  • Hot Swap - DC-DC Conversion
  • 1MHz Frequency Capability
  • Fixed Frequency Voltage Mode Operation, with Feed Forward
  • Thermal Shutdown
  • Under Voltage Lock-out
  • Accurate Programmable Max Duty Cycle Limit
  • 1A Sink/Source Gate Drive
  • Programmable Pulse-by-Pulse Overcurrent Protection
  • Leading Edge Current Sense Blanking
  • 75ns Shutdown Propagation Delay
  • Programmable Soft Start
  • Undervoltage Protection
  • Overvoltage Protection with Programmable Hysteresis
  • Bi-directional Synchronization
  • 25ns GATE Rise and Fall Time (1nF load)
  • 3.3V 3% Reference Voltage Output
  • Pb-Free Package is Available

Material Composition

Product Change Notification

Product List

If you wish to buy products or product samples, please log in to your ÃÛ¶¹ÊÓƵ account.

Search

Close Search

ÃÛ¶¹ÊÓƵ:

1

Share

Sort by

Product Groups:

┗

Orderable Parts:

1

Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Topology

Control Mode

fsw Typ (kHz)

Stand-by Mode

UVLO (V)

Short Circuit Protection

Latch

Soft Start

VCC Max (V)

Drive Cap. (mA)

Reference Price

CS51221EDR16G

Loading...

Last Shipments

CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

REEL

2500

N

Forward

Voltage Mode

Up to 1000

No

Yes

No

Yes

Yes

15

1000

Price N/A

More Details

Show More

1-25 of 25

ÃÛ¶¹ÊÓƵ per page

Jump to :

1
Email Sales
Please provide a first name.
Please provide a last name.
Please provide a company/university name.
Please provide a valid email.
Please choose a country.
Please choose a job title.
Please provide a how could we help you.
You have to agree with the privacy policy.

This site is protected by reCAPTCHA and the Google and apply.

Hello, your current browser settings are preventing us from processing your submission. You can adjust your browser settings and reload the page or you can submit an email directly to inside.sales@ÃÛ¶¹ÊÓƵ.com

You might also try the following:

  • Clear your browser cookies
  • Try to open this page in anonymous browser window
  • Try a different browser
  • Make sure you have reliable internet connection

Thank you for submitting the contact sales form. Your request is on its way to our sales support team!

We thank you for your interest in ÃÛ¶¹ÊÓƵ and are working on your request. Our sales support team will respond to your request within two business days.